Reducing computed tomography radiation dose in diagnosing pulmonary embolism
Background and Objective: Computed tomography angiography plays a major role in the diagnosis of pulmonary embolism. Radiation dose associated with it is a major concern; therefore it is important to optimize protocols and techniques to ensure minimum radiation dose.
Methods: The study compares two protocols i.e. Conventional Timing Bolus CT protocol and Delayed Timing Bolus protocol used to assist suspected pulmonary embolism patients.
Results: A significant reduction in the average effective dose (39%) was noticed when using the delayed timing bolus protocol.
Conclusion: Delayed timing bolus protocol has a good impact on radiation dose without affecting the value of the computed tomography angiography study.
How to cite this:AL-Rammah TY, Alohaly A, Albatsh K. Reducing computed tomography radiation dose in diagnosing pulmonary embolism. Pak J Med Sci. 2016;32(6):1444-1448. doi: https://doi.org/10.12669/pjms.326.11347
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